<html>
<head>
<script type="text/javascript" src="loadxmldoc.js">
</script>
<script type="text/javascript">
//check if the first node is an element node
function get_firstChild(n)
{
y=n.firstChild;
while (y.nodeType!=1)
  {
  y=y.nextSibling;
  }
return y;
}
</script>
</head>

<body>
<script type="text/javascript">
xmlDoc=loadXMLDoc("books.xml");

x=get_firstChild(xmlDoc.getElementsByTagName("book")[0]);
//mac dinh la title, neu thu xoa title o node thi no chuyen qua author
document.write(x.nodeName);
</script>
</body>
</html>